Cryptococcus Neoformans BackgroundThe organism C neoformans is an encapsulated yeast; its environmental niche has non been completely defined, although outbreaks of disease have been associated in particular with pigeon roosts and other than large contaminated sites. There are two varieties of C neoformans, distinguished by antigenic differences in the outer calculus of the organism: serotypes A and D (C neoformans var neoformans, the most common strain) and serotypes B and C (C neoformans var gatti). Cryptococcus neoformans var neoformans is the principal pathogen in patients with AIDS.
Cryptococcus neoformans var gatti, wh ich is found predominantly in Australia, Asia, and Southern California, has unless seldom been implicated to cause disease in this population. antigenic specificity of the capsular polysaccharides define the four different serotypes of C. neoformans; A, B, C and D. C. neoformans cast neoformans includes serotypes A and D while C. neoformans var. gattii are ass...If you want to take tally a full essay, order it on our website:
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